package com.runnor.common.websys.system.security;

import cn.hutool.json.JSONUtil;
import com.runnor.common.websys.system.entity.ApiResult;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * @author runnor-yh
 * @date 2023年08月15日 14:49
 */
@Component
public class JWTLogoutSuccessHandler implements LogoutSuccessHandler {
    @Override
    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
        if (authentication != null) {
            new SecurityContextLogoutHandler().logout(request, response, authentication);
        }

        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream outputStream = response.getOutputStream();

        response.setHeader("Authorization", "");

        ApiResult result = ApiResult.ok(null);

        outputStream.write(JSONUtil.toJsonStr(result).getBytes(StandardCharsets.UTF_8));
        outputStream.flush();
        outputStream.close();
    }
}
